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https://github.com/ceph/ceph
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a7326ee0f4
also, we don't need to pass '-lasan' or '-ltsan' to linker. it's
suggested to use the "-fsanitize=${sanitizer}".
please note, this module is compatible with the one used in seastar on
purpose, as seastar is included in ceph using add_subdirectory(), and it
in turn add its own cmake modules directory using list(APPEND ...), so
cmake/modules/FindSantitizers.cmake is prefered over
src/seastar/cmake/FindSantitizers.cmake.
Signed-off-by: Kefu Chai <kchai@redhat.com>
73 lines
2.6 KiB
CMake
73 lines
2.6 KiB
CMake
if(NOT Sanitizers_FIND_COMPONENTS)
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set(Sanitizers_FIND_COMPONENTS
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address undefined-behavior)
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endif()
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if(HAVE_JEMALLOC)
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message(WARNING "JeMalloc does not work well with sanitizers")
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endif()
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set(Sanitizers_OPTIONS)
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foreach(component ${Sanitizers_FIND_COMPONENTS})
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if(component STREQUAL "address")
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set(Sanitizers_Address_COMPILE_OPTIONS "address")
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list(APPEND Sanitizers_OPTIONS "address")
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elseif(component STREQUAL "leak")
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set(Sanitizers_Leak_COMPILE_OPTIONS "leak")
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list(APPEND Sanitizers_OPTIONS "leak")
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elseif(component STREQUAL "thread")
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if ("Address" IN_LIST ${Sanitizers_FIND_COMPONENTS} OR
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"Leak" IN_LIST ${Sanitizers_FIND_COMPONENTS})
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message(SEND_ERROR "Cannot combine -fsanitize-leak w/ -fsanitize-thread")
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elseif(NOT CMAKE_POSITION_INDEPENDENT_CODE)
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message(SEND_ERROR "TSan requires all code to be position independent")
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endif()
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set(Sanitizers_Thread_COMPILE_OPTIONS "thread")
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list(APPEND Sanitizers_OPTIONS "thread")
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elseif(component STREQUAL "undefined-behavior")
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set(Sanitizers_Undefined-Behavior_COMPILE_OPTIONS "undefined")
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list(APPEND Sanitizers_OPTIONS "undefined")
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else()
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message(SEND_ERROR "Unsupported sanitizer: ${component}")
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endif()
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endforeach()
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if(Sanitizers_OPTIONS)
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string(REPLACE ";" ","
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Sanitizers_COMPILE_OPTIONS
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"${Sanitizers_OPTIONS}")
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set(Sanitizers_COMPILE_OPTIONS
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"-fsanitize=${Sanitizers_COMPILE_OPTIONS} -fno-omit-frame-pointer")
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endif()
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include(CheckCXXSourceCompiles)
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set(CMAKE_REQUIRED_FLAGS ${Sanitizers_COMPILE_OPTIONS})
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set(CMAKE_REQUIRED_LIBRARIES ${Sanitizers_COMPILE_OPTIONS})
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check_cxx_source_compiles("int main() {}"
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Sanitizers_ARE_SUPPORTED)
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(Sanitizers
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REQUIRED_VARS
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Sanitizers_ARE_SUPPORTED
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Sanitizers_COMPILE_OPTIONS)
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if(Sanitizers_FOUND)
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if(NOT TARGET Sanitizers::Sanitizers)
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add_library(Sanitizers::Sanitizers INTERFACE IMPORTED)
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set_target_properties(Sanitizers::Sanitizers PROPERTIES
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INTERFACE_COMPILE_OPTIONS ${Sanitizers_COMPILE_OPTIONS}
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INTERFACE_LINK_LIBRARIES ${Sanitizers_COMPILE_OPTIONS})
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endif()
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foreach(component ${Sanitizers_FIND_COMPONENTS})
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if(NOT TARGET Sanitizers::${component})
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set(target Sanitizers::${component})
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set(compile_option "-fsanitize=${Sanitizers_${component}_COMPILE_OPTIONS}")
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add_library(${target} INTERFACE IMPORTED)
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set_target_properties(${target} PROPERTIES
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INTERFACE_COMPILE_OPTIONS ${compile_option}
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INTERFACE_LINK_LIBRARIES ${compile_option})
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endif()
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endforeach()
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endif()
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